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Sellaite
Sellaite
☒

Sillimanite
Sillimanite
☒



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Sellaite
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Sillimanite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.03
Transparent
1.378-1.390
-
tetragonal
0.012
Transparent
 
Vitreous, Subadamantine, Silky
Colourless to pale brown to yellow
0.02
Transparent, Translucent
1.653-1.685
-
Orthorhombic
0.020-0.022
Transparent

Compare White Gemstones

White Gemstones

Canadian Ammolite
Canadian Ammolite
Agrellite
Agrellite
Lamprophyre
Lamprophyre
Sillimanite
Thomsonite
Sillimanite Vs Thomsonite
Sillimanite
Whitlockite
Sillimanite Vs Whitlockite
Sillimanite
Witherite
Sillimanite Vs Witherite

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